1123533 has 12 divisors (see below), whose sum is σ = 1675648. Its totient is φ = 724680.

The previous prime is 1123531. The next prime is 1123541. The reversal of 1123533 is 3353211.

It is not a de Polignac number, because 1123533 - 2¹ = 1123531 is a prime.

It is a Duffinian number.

It is a Curzon number.

1123533 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735 + ... + 2292.

2^1123533 is an apocalyptic number.

It is an amenable number.

1123533 is a deficient number, since it is larger than the sum of its proper divisors (552115).

1123533 is a wasteful number, since it uses less digits than its factorization.

1123533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4061 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1123533 is about 1059.9683957553. The cubic root of 1123533 is about 103.9589643332.

Adding to 1123533 its reverse (3353211), we get a palindrome (4476744).

The spelling of 1123533 in words is "one million, one hundred twenty-three thousand, five hundred thirty-three".